Home / 98,995,440.40-148,634,878.20-55,948,719.40

Finding the Fourth Proportional to 98,995,440.40, 148,634,878.20 and 55,948,719.40

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Solution

The fourth proportional to 98,995,440.40, 148,634,878.20 and 55,948,719.40 is: 84,003,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,995,440.40 : 148,634,878.20 = 55,948,719.40 : x
  2. Step 2: Convert to fraction form
    98,995,440.40/148,634,878.20 = 55,948,719.40/x
  3. Step 3: Cross multiply
    98,995,440.40x = 148,634,878.20 × 55,948,719.40
  4. Step 4: Simplify right side
    98,995,440.40x = 8,315,931,093,464,976
  5. Step 5: Solve for x
    x = 8,315,931,093,464,976/98,995,440.40
  6. Step 6: Final answer
    x = 84,003,172.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.